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Finding the Fourth Proportional to 134,970.62, 202,480.52 and 67,537.89

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Solution

The fourth proportional to 134,970.62, 202,480.52 and 67,537.89 is: 101,319.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,970.62 : 202,480.52 = 67,537.89 : x
  2. Step 2: Convert to fraction form
    134,970.62/202,480.52 = 67,537.89/x
  3. Step 3: Cross multiply
    134,970.62x = 202,480.52 × 67,537.89
  4. Step 4: Simplify right side
    134,970.62x = 13,675,106,749.21
  5. Step 5: Solve for x
    x = 13,675,106,749.21/134,970.62
  6. Step 6: Final answer
    x = 101,319.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.